Construction Hours: Concord vs Martinez
How do construction hours rules compare between Concord, CA and Martinez, CA?
Concord and Martinez have similar restriction levels.
Concord, CA
Contra Costa County
Construction activity in Concord is generally permitted Monday through Friday from 7:30 AM to 6:00 PM and Saturdays from 8:00 AM to 5:00 PM. Construction is prohibited on Sundays and city-recognized holidays without a special permit. These hours apply to both commercial and residential projects, including homeowner DIY work that generates significant noise.
View full Concord rules →Martinez, CA
Contra Costa County
Construction noise in Martinez is restricted to 7:00 AM to 7:00 PM Monday through Friday and 8:00 AM to 5:00 PM on Saturdays, with no construction permitted on Sundays or federal holidays. These limits apply to all power tools, heavy equipment, and construction activities audible from neighboring properties, and are enforced through the Community Development Department and Martinez Police.
View full Martinez rules →Key Facts Comparison
| Fact | Concord | Martinez |
|---|---|---|
| Weekday Hours | 7:30 AM to 6:00 PM | - |
| Saturday Hours | 8:00 AM to 5:00 PM | - |
| Sundays/Holidays | Prohibited without special permit | - |
| Air Quality Rule | BAAQMD Rule 403 (dust control) | - |
| Enforcement | Building Division / Code Enforcement | - |
| - | - |
Highlighted rows indicate differences between cities.
Concord FAQ
Can I do construction on Sundays in Concord?
No. Sunday construction is prohibited unless a special exception is granted by the Building Official for emergency or time-sensitive work.
Do DIY homeowners have to follow construction hours?
Yes. Homeowners performing their own noisy renovations must follow the same construction-hour limits as licensed contractors.
What if construction exceeds noise limits during permitted hours?
Construction must still comply with the city's daytime dBA caps. Persistent excessive noise can result in citations even during allowed hours.
Martinez FAQ
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